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【单选题】
The maximum amount of air that can be expired after a maximum inspiration is: （ ）
A.
Inspiratory reserve volume
B.
Expiratory reserve volume
C.
Tidal volume
D.
Vital capacity
E.
Total lung volume
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举一反三
【单选题】Poor suspension stability of erythrocyte results in （ ）.
A.
Blood coagulation
B.
Hemolysis
C.
Accelerated erythrocyte sedimentation rate
D.
Hemagglutination
E.
Decreased erythrocyte sedimentation rate
【单选题】In the early stage of ventricular enlargement, when the pumping function decreases, the appropriate evaluation index is ().
A.
The heart does work
B.
Ejection fraction
C.
Output per minute
D.
Stroke volume
E.
heart index
【单选题】Which of the following is a waste product normally excreted by the kidneys?（ ）
A.
Cholesterol
B.
Carbon dioxide
C.
Urea
D.
Glucose
E.
Insulin
【单选题】Which one of the following has the highest R.Q.（ ）
A.
Starch
B.
Malic acid
C.
Protein
D.
Glucose
E.
Fat
【单选题】When cells are stimulated and excited, the absolute value of the membrane potential decreases, which is called（ ）
A.
Repolarization
B.
Reverse polarization
C.
polarization
D.
Depolarization
E.
Hyperpolarization
【单选题】The basis of controlling the contractile rhythm of digestive smooth muscle is（ ）
A.
Slow wave
B.
Action potential
C.
Intramural plexus activity
D.
Sympathetic excitation
E.
Vagus nerve excitation
【单选题】Which of the following lists includes only structures that compose the anatomic dead-space?（ ）
A.
Capillaries, respiratory bronchioles, alveolar ducts, alveoli
B.
Pharynx, bronchi, alveolar ducts, larynx
C.
Pharynx, nasal cavity, trachea, bronchi
D.
Respiratory bronchioles, alveoli, trachea, nasal cavity
E.
Capillaries, respiratory bronchioles, trachea, bronchi
【单选题】The body's main mode of regulation（ ）
A.
Positive feedback regulation
B.
Neuromodulation
C.
Humoral regulation
D.
Self-regulation
E.
Negative feedback regulation